package section_08;

import java.util.ArrayList;

/**
 * @Author ZhangGJ
 * @Date 2019/07/18
 */
public class Staff extends ArrayList<Position> {
    public void add(String title, Person person) {
        add(new Position(title, person));
    }

    public void add(String... titles) {
        for (String title : titles)
            add(new Position(title));
    }

    public Staff(String... titles) {
        add(titles);
    }

    public boolean positionAvailable(String title) {
        for (Position position : this)
            if (position.getTitle().equals(title) && position.getPerson() == Person.NULL)
                return true;
        return false;
    }

    public void fillPosition(String title, Person hire) {
        for (Position position : this)
            if (position.getTitle().equals(title) && position.getPerson() == Person.NULL) {
                position.setPerson(hire);
                return;
            }
        throw new RuntimeException("Position " + title + " not available");
    }

    public static void main(String[] args) {
        Staff staff =
            new Staff("President", "CTO", "Marketing Manager", "Product Manager", "Project Lead",
                "Software Engineer", "Software Engineer", "Software Engineer", "Software Engineer",
                "Test Engineer", "Technical Writer");
        staff.fillPosition("President", new Person("Me", "Last", "The Top, Lonely At"));
        staff.fillPosition("Project Lead", new Person("Janet", "Planner", "The Burbs"));
        if (staff.positionAvailable("Software Engineer")) {
            staff
                .fillPosition("Software Engineer", new Person("Bob", "Coder", "Bright Light City"));
        }
        System.out.println(staff);
    }
}
